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177028-90-9 4h,5h-pyrano[3,2-c][1]benzopyran-3-carbonitrile,2-amino-4-(4-methylphenyl)-5-oxo-

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Product Name 4H,5H-Pyrano[3,2-c][1]benzopyran-3-carbonitrile,2-amino-4-(4-methylphenyl)-5-oxo-
CAS No. 177028-90-9
Molecular Formula C20H14N2O3